Chromatography

The word "Chromatography" literally means

• Color writing

• Analysis

• Transition

• Assay

If stationary and mobile phase both are liquids, the principle of separation will be

• Ion-exchange

• Adsorption

• Partition

• Permeation

Select the units of partition coefficient k

• g / mol

• g / L

• mol / dm3

• Partition coefficient has no units

Levorotatory and dextrorotatory isomers of a compound can be separated through

• Ion-exchange chromatography

• Adsorption chromatography

• Chiral chromatography

• Affinity chromatography

Silica Gel - GF contains

• Silica gel

• Gypsum

• Flourescent material

• Silica gel, gypsum and flourescent material

Select a reagent that is used to detect phenols in TLC

• Ferric chloride

• Ninhydrin

• Aniline-hydrogen phthalate

• Ammonia

Select the one which is used as universal spraying agent to detect the spots in TLC

• Mixture of ferric chloride and methanol

• Mixture of sulphuric acid and ethanol

• Mixture of ammonia water and sulphuric acid

• Mixture of water and ethanol